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// <file>
// <copyright see="prj:///doc/copyright.txt"/>
// <license see="prj:///doc/license.txt"/>
// <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
// <version value="$version"/>
// </file>
using System;
using System.Collections;
using System.Collections.Specialized;
using System.IO;
using System.Reflection;
namespace MonoDevelop.TextEditor.Document
{
public class HighlightingManager
{
ArrayList syntaxModeFileProviders = new ArrayList();
static HighlightingManager highlightingManager;
Hashtable highlightingDefs = new Hashtable();
internal Hashtable extensionsToName = new Hashtable();
public Hashtable HighlightingDefinitions {
get {
return highlightingDefs;
}
}
public static HighlightingManager Manager {
get {
return highlightingManager;
}
}
static HighlightingManager()
{
highlightingManager = new HighlightingManager();
highlightingManager.AddSyntaxModeFileProvider(new ResourceSyntaxModeProvider());
}
public HighlightingManager()
{
CreateDefaultHighlightingStrategy();
}
public void AddSyntaxModeFileProvider(ISyntaxModeFileProvider syntaxModeFileProvider)
{
foreach (SyntaxMode syntaxMode in syntaxModeFileProvider.SyntaxModes) {
highlightingDefs[syntaxMode.Name] = new DictionaryEntry(syntaxMode, syntaxModeFileProvider);
foreach (string extension in syntaxMode.Extensions) {
extensionsToName[extension.ToUpper()] = syntaxMode.Name;
}
}
}
void CreateDefaultHighlightingStrategy()
{
DefaultHighlightingStrategy defaultHighlightingStrategy = new DefaultHighlightingStrategy();
defaultHighlightingStrategy.Extensions = new string[] {};
defaultHighlightingStrategy.Rules.Add(new HighlightRuleSet());
highlightingDefs["Default"] = defaultHighlightingStrategy;
}
IHighlightingStrategy LoadDefinition(DictionaryEntry entry)
{
SyntaxMode syntaxMode = (SyntaxMode)entry.Key;
ISyntaxModeFileProvider syntaxModeFileProvider = (ISyntaxModeFileProvider)entry.Value;
DefaultHighlightingStrategy highlightingStrategy = HighlightingDefinitionParser.Parse(syntaxMode, syntaxModeFileProvider.GetSyntaxModeFile(syntaxMode));
highlightingDefs[syntaxMode.Name] = highlightingStrategy;
highlightingStrategy.ResolveReferences();
return highlightingStrategy;
}
public IHighlightingStrategy FindHighlighter(string name)
{
object def = highlightingDefs[name];
if (def is DictionaryEntry) {
return LoadDefinition((DictionaryEntry)def);
}
return (IHighlightingStrategy)(def == null ? highlightingDefs["Default"] : def);
}
public IHighlightingStrategy FindHighlighterForFile(string fileName)
{
string highlighterName = (string)extensionsToName[Path.GetExtension(fileName).ToUpper()];
if (highlighterName != null) {
object def = highlightingDefs[highlighterName];
if (def is DictionaryEntry) {
return LoadDefinition((DictionaryEntry)def);
}
return (IHighlightingStrategy)(def == null ? highlightingDefs["Default"] : def);
} else {
return (IHighlightingStrategy)highlightingDefs["Default"];
}
}
}
}
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